indiana where officials there say one town is gone. from louisiana to ohio, from missouri to south carolina, rain fell and damaging winds pulled down trees and power lines. tens of thousands of people are without electricity. forecasters warn conditions are likely to get worse, especially after sunset. >> this is going to be an unfolding event unfortunately for the rest of the day. i would say if you have to run an errand, go ahead and do it now and make sure you're back within the next couple of hours. >> reporter: warm air from the gulf of mexico colliding with low pressure from the northwest is setting off the storms. the severe weather comes two days after a massive system in the same region unleashed more than two dozen tornadoes killing at least 13 people. forecasters expect today's tornadoes to travel fast, but stay on the ground for a long time with the potential to cause more damage. terrell brown, cbs news, new market, alabama. it is hard to fathom when you look at those pictures. let's go to topper shutt and talk about what'